💡 Detailed Explanation
The verb 'すすむ' (to advance / move forward) in its te-form is written as '進んで' (susunde). Sentence translation: 'The car in front is moving forward slowly.' '送' is to send (送る - okuru), '造' is to build/create (造る - tsukuru), and '通' is to pass through (通る - tōru).